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Earth. It's the only planet with significant amounts of oxygen in the atmosphere, making up about 21%.

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14y ago

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What planet has a nitrogen- oxygen atmosphere?

Earths atmosphere is rich in Oxygen, some 21% of the air is Oxygen. There is oxygen on other planets, but the percentage comes nowhere close to this. The percentage of Oxygen in earths atmosphere is thought to have been much higher in the past, before animals were about, but after the arrival of plants.


Which planet is hot because of its thick atmosphere?

Venus is the hottest planet, as it is close to the sun and also has a thick carbon dioxide atmosphere that holds the heat effectively.Venus is extremely hot because its thick atmosphere, rich in carbon dioxide, traps heat energy from the sun.


Is the oxygon on Mars?

no


What the terrestrial planet that has no atmosphere?

what is the terrestrial planet that has no atmosphere


Does a planet need an atmosphere?

No. The planet Mercury does not have an atmosphere.


What is the atmosphere of the planet called Ceres?

Ceres is not a planet; it is a dwarf planet. It does not have an atmosphere.


What planet becomes very hot?

Venus is very hot due to the heat trapping properties of its carbon dioxide rich atmosphere.


What is the gas that surounds a planet known as?

That is known as the "atmosphere".


Which is the largest planet in our atmosphere?

The earth is the largest planet in our atmosphere. Jupiter is the largest planet in out solar system.


What can provide evidence of life on another planet?

Water. Another idea: Water is not really "evidence" of life, but an oxygen rich atmosphere would be.


What are the planetary characterictics in an extrasolar planet that might have the potential to harbor life similar to that found on earth?

Oxygen-rich atmosphere and liquid water.


What planet has an oxygenated atmosphere?

Earth is the only known planet with an oxygenated atmosphere.